1 files changed, 22 insertions, 0 deletions
diff --git a/app/assets/javascripts/boards/graphql.js b/app/assets/javascripts/boards/graphql.js
new file mode 100644
index 00000000000..d8d16184936
--- /dev/null
+++ b/app/assets/javascripts/boards/graphql.js
@@ -0,0 +1,22 @@
+import { IntrospectionFragmentMatcher, defaultDataIdFromObject } from 'apollo-cache-inmemory';
+import createDefaultClient from '~/lib/graphql';
+import introspectionQueryResultData from '~/sidebar/fragmentTypes.json';
+
+const fragmentMatcher = new IntrospectionFragmentMatcher({
+  introspectionQueryResultData,
+});
+
+export const gqlClient = createDefaultClient(
+  {},
+  {
+    cacheConfig: {
+      dataIdFromObject: (object) => {
+        // eslint-disable-next-line no-underscore-dangle
+        return object.__typename === 'BoardList' ? object.iid : defaultDataIdFromObject(object);
+      },
+
+      fragmentMatcher,
+    },
+    assumeImmutableResults: true,
+  },
+);